test: JsonbTypeDeserialzier on record

Co-authored-by-AI: IBM Bob (1.126.0+bob2.2.2)

src/test/java/org/eclipse/yasson/records/RecordTest.java

diff --git a/src/test/java/org/eclipse/yasson/records/RecordTest.java b/src/test/java/org/eclipse/yasson/records/RecordTest.java
index bf3ad00..46cd64f 100644
--- a/src/test/java/org/eclipse/yasson/records/RecordTest.java
+++ b/src/test/java/org/eclipse/yasson/records/RecordTest.java
@@ -28,6 +28,7 @@
 import java.time.LocalDate;
 import java.util.List;
 import java.util.Set;
+import java.util.UUID;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.containsString;
@@ -232,6 +233,23 @@
     }
 
     // -----------------------------------------------------------------
+    // Issue #606 — @JsonbTypeDeserializer on record components
+    // -----------------------------------------------------------------
+
+    /**
+     * Regression test for https://github.com/eclipse-ee4j/yasson/issues/606.
+     * <p>
+     * Deserialising into a record whose component is annotated with {@code @JsonbTypeDeserializer}
+     * must invoke the custom deserializer rather than the default deserializer.
+     */
+    @Test
+    public void testRecordWithTypeDeserializer() {
+        String json = "{\"sys_id\":\"2b8f1a676f04c7c027e0cc60cb1f4ec3\"}";
+        RecordWithTypeDeserializer record = Jsonbs.defaultJsonb.fromJson(json, RecordWithTypeDeserializer.class);
+        assertThat(record.sysId(), is(UUID.fromString("2b8f1a67-6f04-c7c0-27e0-cc60cb1f4ec3")));
+    }
+
+    // -----------------------------------------------------------------
     // Issue #607 — @JsonbTypeAdapter on record components
     // -----------------------------------------------------------------
 

src/test/java/org/eclipse/yasson/records/RecordWithTypeDeserializer.java

diff --git a/src/test/java/org/eclipse/yasson/records/RecordWithTypeDeserializer.java b/src/test/java/org/eclipse/yasson/records/RecordWithTypeDeserializer.java
new file mode 100644
index 0000000..c4685a5
--- /dev/null
+++ b/src/test/java/org/eclipse/yasson/records/RecordWithTypeDeserializer.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2026 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+
+package org.eclipse.yasson.records;
+
+import jakarta.json.bind.annotation.JsonbProperty;
+import jakarta.json.bind.annotation.JsonbTypeDeserializer;
+
+import java.util.UUID;
+
+/**
+ * Reproducer record for issue #606: {@code @JsonbTypeDeserializer} annotated on a record component
+ * must be recognised and applied during deserialisation.
+ */
+public record RecordWithTypeDeserializer(
+        @JsonbProperty("sys_id")
+        @JsonbTypeDeserializer(SysIdDeserializer.class)
+        UUID sysId) {
+}

src/test/java/org/eclipse/yasson/records/SysIdDeserializer.java

diff --git a/src/test/java/org/eclipse/yasson/records/SysIdDeserializer.java b/src/test/java/org/eclipse/yasson/records/SysIdDeserializer.java
new file mode 100644
index 0000000..dc69d30
--- /dev/null
+++ b/src/test/java/org/eclipse/yasson/records/SysIdDeserializer.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2026 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+
+package org.eclipse.yasson.records;
+
+import jakarta.json.bind.serializer.DeserializationContext;
+import jakarta.json.bind.serializer.JsonbDeserializer;
+import jakarta.json.stream.JsonParser;
+
+import java.lang.reflect.Type;
+import java.util.UUID;
+
+/**
+ * Deserializer used to reproduce issue #606: {@code @JsonbTypeDeserializer} on a record component
+ * must be recognised and invoked during deserialisation.
+ * 
+ * Converts a 32-character hex UUID string without hyphens into a {@link UUID}.
+ */
+public class SysIdDeserializer implements JsonbDeserializer<UUID> {
+
+    @Override
+    public UUID deserialize(JsonParser parser, DeserializationContext ctx, Type rtType) {
+        String value = parser.getString();
+        if (value.length() == 32) {
+            value = value.replaceFirst("(\\p{XDigit}{8})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}{4})(\\p{XDigit}+)", "$1-$2-$3-$4-$5");
+        }
+        return UUID.fromString(value);
+    }
+}